Ionia Weather Forecast

    • 29
    • 33

    Chance Snow

    • 33
    • 41

    Rain

    • 31
    • 37

    Slight Chance Snow Showers

    • 39
    • 46

    Rain Showers Likely

    • 41
    • 50

    Rain Showers Likely

    • 27
    • 52

    Chance Rain/Snow

Today 5 Jan Ontario

Cloudy. Snow likely Early, then a chance of snow through early afternoon. Accumulation 1 to 2 Inches. Highs in the lower 30s. Light south Winds. Chance of snow 60 percent.

Tonight 5 Jan Ontario

Cloudy and not as cold with Lows in the upper 20s. Light southwest Winds.

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  • Temperature Real-Time

Ionia Temperature Statistics

January Temperature

Rochester, Greater Rochester International Airport (15.5 miles)

  • Lowest 1 January, 2026

    9 °F

  • Average January

    18.5 °F

  • Highest 3 January, 2026

    25 °F

Climate (2021–Present)

Rochester, Greater Rochester International Airport (15.5 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.5 °F
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